fail
verb (used without object)
to fall short of success or achievement in something expected, attempted, desired, or approved.
will have failed
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future perfectof fail.future perfect
Used to describe an action that will be fully completed or achieved by a specific point in the future.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
If the calculations are carried out over the next 10 or 20 years, more than 90% of actively managed funds will have failed to beat the market.
From The Wall Street Journal ● Mar. 22, 2026
“We will have failed if we still see our youngest learners sitting at their desks, on their own in rows and completing worksheets.”
From Los Angeles Times ● Sep. 30, 2024
"If we can't do this to simply not waste light... then we will have failed the fundamental test of progress and change into the next 50 years."
From Salon ● Jul. 22, 2023
This wasn't pretty and the memory of it will have failed by the time anybody got to the car park, but none of that matters.
From BBC ● Dec. 21, 2022
“If ever I should grow tolerant and forgiving,” she cried fiercely, “then I will have failed miserably.”
From The Fighting Shepherdess by Caroline Lockhart
